Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 − 79 by rounding each number to the nearest 10: ______
- Estimate 29 − 38 by rounding each number to the nearest 10: ______
- Estimate 48 + 37 by rounding each number to the nearest 10: ______
- Estimate 40 − 25 by rounding each number to the nearest 10: ______
- Estimate 54 + 76 by rounding each number to the nearest 10: ______
- Estimate 60 + 32 by rounding each number to the nearest 10: ______
- Estimate 89 + 23 by rounding each number to the nearest 10: ______
- Estimate 63 − 70 by rounding each number to the nearest 10: ______
- Estimate 51 + 36 by rounding each number to the nearest 10: ______
- Estimate 63 − 44 by rounding each number to the nearest 10: ______
- Estimate 29 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 − 42 by rounding each number to the nearest 10: ______
- Estimate 57 − 71 by rounding each number to the nearest 10: ______
- Estimate 22 − 29 by rounding each number to the nearest 10: ______
- Estimate 40 − 72 by rounding each number to the nearest 10: ______
- Estimate 43 − 35 by rounding each number to the nearest 10: ______
- Estimate 74 + 28 by rounding each number to the nearest 10: ______
- Estimate 24 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 52 by rounding each number to the nearest 10: ______
- Estimate 38 + 88 by rounding each number to the nearest 10: ______